/Engine/Source/Runtime/MovieScene/Public/MovieSceneSequencePlayer.h
Set the perspective viewport settings
virtual void SetViewportSettings ( const [TMap](API\Runtime\Core\Containers\TMap)< [FViewportClient](API\Runtime\Engine\FViewportClient) *, [EMovieSceneViewportParams](API\Runtime\MovieScene\EMovieSceneViewportParams) > & ViewportParamsMap )